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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/x11/bitmap.cpp
3// Purpose: wxBitmap
4// Author: Julian Smart, Robert Roebling
5// Modified by:
6// Created: 17/09/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart, Robert Roebling
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12// for compilers that support precompilation, includes "wx.h".
13#include "wx/wxprec.h"
14
15#include "wx/bitmap.h"
16
17#ifndef WX_PRECOMP
18 #include "wx/log.h"
19 #include "wx/app.h"
20 #include "wx/dcmemory.h"
21 #include "wx/icon.h"
22 #include "wx/math.h"
23 #include "wx/image.h"
24#endif
25
26#include "wx/x11/private.h"
27
28/* No point in using libXPM for NanoX */
29#if wxUSE_NANOX
30#undef wxHAVE_LIB_XPM
31#define wxHAVE_LIB_XPM 0
32
33// Copy from the drawable to the wxImage
34bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image);
35#endif
36
37#if wxUSE_XPM
38#if wxHAVE_LIB_XPM
39#include <X11/xpm.h>
40#else
41#include "wx/xpmdecod.h"
42#include "wx/wfstream.h"
43#endif
44#endif
45
46//-----------------------------------------------------------------------------
47// wxMask
48//-----------------------------------------------------------------------------
49
50IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
51
52wxMask::wxMask()
53{
54 m_bitmap = NULL;
55 m_display = NULL;
56}
57
58wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
59{
60 m_bitmap = NULL;
61 Create( bitmap, colour );
62}
63
64wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
65{
66 m_bitmap = NULL;
67 Create( bitmap, paletteIndex );
68}
69
70wxMask::wxMask( const wxBitmap& bitmap )
71{
72 m_bitmap = NULL;
73 Create( bitmap );
74}
75
76wxMask::~wxMask()
77{
78 if (m_bitmap)
79 XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap );
80}
81
82bool wxMask::Create( const wxBitmap& bitmap,
83 const wxColour& colour )
84{
85#if !wxUSE_NANOX
86 if (m_bitmap)
87 {
88 XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap );
89 m_bitmap = NULL;
90 }
91
92 m_display = bitmap.GetDisplay();
93
94 wxImage image = bitmap.ConvertToImage();
95 if (!image.Ok()) return false;
96
97 m_display = bitmap.GetDisplay();
98
99 Display *xdisplay = (Display*) m_display;
100 int xscreen = DefaultScreen( xdisplay );
101 Window xroot = RootWindow( xdisplay, xscreen );
102
103 m_bitmap = (WXPixmap) XCreatePixmap( xdisplay, xroot, image.GetWidth(), image.GetHeight(), 1 );
104 GC gc = XCreateGC( xdisplay, (Pixmap) m_bitmap, 0, NULL );
105
106 XSetForeground( xdisplay, gc, WhitePixel(xdisplay,xscreen) );
107 XSetFillStyle( xdisplay, gc, FillSolid );
108 XFillRectangle( xdisplay, (Pixmap) m_bitmap, gc, 0, 0, image.GetWidth(), image.GetHeight() );
109
110 unsigned char *data = image.GetData();
111 int index = 0;
112
113 unsigned char red = colour.Red();
114 unsigned char green = colour.Green();
115 unsigned char blue = colour.Blue();
116
117 int bpp = wxTheApp->GetVisualInfo(m_display)->m_visualDepth;
118
119 if (bpp == 15)
120 {
121 red &= 0xf8;
122 green &= 0xf8;
123 blue &= 0xf8;
124 } else
125 if (bpp == 16)
126 {
127 red &= 0xf8;
128 green &= 0xfc;
129 blue &= 0xf8;
130 } else
131 if (bpp == 12)
132 {
133 red &= 0xf0;
134 green &= 0xf0;
135 blue &= 0xf0;
136 }
137
138 XSetForeground( xdisplay, gc, BlackPixel(xdisplay,xscreen) );
139
140 int width = image.GetWidth();
141 int height = image.GetHeight();
142 for (int j = 0; j < height; j++)
143 {
144 int start_x = -1;
145 int i;
146 for (i = 0; i < width; i++)
147 {
148 if ((data[index] == red) &&
149 (data[index+1] == green) &&
150 (data[index+2] == blue))
151 {
152 if (start_x == -1)
153 start_x = i;
154 }
155 else
156 {
157 if (start_x != -1)
158 {
159 XDrawLine( xdisplay, (Pixmap) m_bitmap, gc, start_x, j, i-1, j );
160 start_x = -1;
161 }
162 }
163 index += 3;
164 }
165 if (start_x != -1)
166 XDrawLine( xdisplay, (Pixmap) m_bitmap, gc, start_x, j, i, j );
167 }
168
169 XFreeGC( xdisplay, gc );
170
171 return true;
172#else
173 return false;
174#endif
175 // wxUSE_NANOX
176}
177
178bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex )
179{
180 unsigned char r,g,b;
181 wxPalette *pal = bitmap.GetPalette();
182
183 wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") );
184
185 pal->GetRGB(paletteIndex, &r, &g, &b);
186
187 return Create(bitmap, wxColour(r, g, b));
188}
189
190bool wxMask::Create( const wxBitmap& bitmap )
191{
192#if !wxUSE_NANOX
193 if (m_bitmap)
194 {
195 XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap );
196 m_bitmap = NULL;
197 }
198
199 if (!bitmap.Ok()) return false;
200
201 wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") );
202
203 m_display = bitmap.GetDisplay();
204
205 int xscreen = DefaultScreen( (Display*) m_display );
206 Window xroot = RootWindow( (Display*) m_display, xscreen );
207
208 m_bitmap = (WXPixmap) XCreatePixmap( (Display*) m_display, xroot, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
209
210 if (!m_bitmap) return false;
211
212 GC gc = XCreateGC( (Display*) m_display, (Pixmap) m_bitmap, 0, NULL );
213
214 XCopyPlane( (Display*) m_display, (Pixmap) bitmap.GetBitmap(), (Pixmap) m_bitmap,
215 gc, 0, 0, bitmap.GetWidth(), bitmap.GetHeight(), 0, 0, 1 );
216
217 XFreeGC( (Display*) m_display, gc );
218
219 return true;
220#else
221 return false;
222#endif
223 // wxUSE_NANOX
224}
225
226//-----------------------------------------------------------------------------
227// wxBitmap
228//-----------------------------------------------------------------------------
229
230class wxBitmapRefData: public wxObjectRefData
231{
232public:
233 wxBitmapRefData();
234 wxBitmapRefData(const wxBitmapRefData& data);
235 virtual ~wxBitmapRefData();
236
237 // shouldn't be called more than once as it doesn't free the existing data
238 bool Create(int width, int height, int depth);
239
240 Pixmap m_pixmap;
241 Pixmap m_bitmap;
242 Display *m_display;
243 wxMask *m_mask;
244 int m_width;
245 int m_height;
246 int m_bpp;
247 wxPalette *m_palette;
248};
249
250wxBitmapRefData::wxBitmapRefData()
251{
252 m_pixmap = 0;
253 m_bitmap = 0;
254 m_display = NULL;
255 m_mask = NULL;
256 m_width = 0;
257 m_height = 0;
258 m_bpp = 0;
259 m_palette = (wxPalette *) NULL;
260}
261
262wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data)
263{
264 m_pixmap = 0;
265 m_bitmap = 0;
266 m_display = data.m_display;
267 m_mask = NULL; // FIXME: should copy
268 m_palette = NULL; // FIXME: should copy
269
270 Create(data.m_width, data.m_height, data.m_bpp);
271}
272
273bool wxBitmapRefData::Create(int width, int height, int depth)
274{
275 m_width = width;
276 m_height = height;
277 m_bpp = depth;
278
279 m_display = wxGlobalDisplay();
280
281 wxCHECK_MSG( m_display, false, wxT("No display") );
282
283 int xscreen = DefaultScreen(m_display);
284 int bpp = DefaultDepth(m_display, xscreen);
285 if ( depth == -1 )
286 depth = bpp;
287
288 wxCHECK_MSG( (depth == bpp) || (depth == 1), false,
289 wxT("invalid bitmap depth") );
290
291#if wxUSE_NANOX
292 m_pixmap = (WXPixmap) GrNewPixmap(width, height, NULL);
293#else // !wxUSE_NANOX
294 Window xroot = RootWindow(m_display, xscreen);
295
296 *(depth == 1 ? &m_bitmap : &m_pixmap) =
297 XCreatePixmap(m_display, xroot, width, height, depth);
298#endif // wxUSE_NANOX/!wxUSE_NANOX
299
300 wxCHECK_MSG( m_pixmap || m_bitmap, false, wxT("Bitmap creation failed") );
301
302 return true;
303}
304
305wxBitmapRefData::~wxBitmapRefData()
306{
307 if (m_pixmap)
308 XFreePixmap(m_display, m_pixmap);
309 if (m_bitmap)
310 XFreePixmap(m_display, m_bitmap);
311 delete m_mask;
312 delete m_palette;
313}
314
315//-----------------------------------------------------------------------------
316
317// helper function
318
319static WXPixmap wxGetSubPixmap( WXDisplay* xdisplay, WXPixmap xpixmap,
320 int x, int y, int width, int height,
321 int depth )
322{
323 Display * const dpy = (Display *)xdisplay;
324
325 int xscreen = DefaultScreen( dpy );
326 Window xroot = RootWindow( dpy, xscreen );
327 Visual* xvisual = DefaultVisual( dpy, xscreen );
328
329 XImage* ximage = XCreateImage( dpy, xvisual, depth,
330 ZPixmap, 0, 0, width, height, 32, 0 );
331 ximage->data = (char*)malloc( ximage->bytes_per_line * ximage->height );
332 ximage = XGetSubImage( dpy, (Pixmap)xpixmap,
333 x, y, width, height,
334 AllPlanes, ZPixmap, ximage, 0, 0 );
335
336 GC gc = XCreateGC( dpy, (Pixmap)xpixmap, 0, NULL );
337 Pixmap ret = XCreatePixmap( dpy, xroot,
338 width, height, depth );
339
340 XPutImage( dpy, ret, gc, ximage,
341 0, 0, 0, 0, width, height );
342 XDestroyImage( ximage );
343 XFreeGC( dpy, gc );
344
345 return (WXPixmap)ret;
346}
347
348#define M_BMPDATA ((wxBitmapRefData *)m_refData)
349
350IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
351
352wxBitmap::wxBitmap()
353{
354}
355
356wxBitmap::wxBitmap( int width, int height, int depth )
357{
358 Create( width, height, depth );
359}
360
361bool wxBitmap::Create( int width, int height, int depth )
362{
363 UnRef();
364
365 wxCHECK_MSG( (width > 0) && (height > 0), false, wxT("invalid bitmap size") );
366
367 m_refData = new wxBitmapRefData();
368
369 return M_BMPDATA->Create(width, height, depth);
370}
371
372bool wxBitmap::Create(const void* data, wxBitmapType type,
373 int width, int height, int depth)
374{
375 UnRef();
376
377 wxBitmapHandler *handler = FindHandler(type);
378
379 if ( handler == NULL ) {
380 wxLogWarning(wxT("no data bitmap handler for type %ld defined."),
381 (long)type);
382
383 return false;
384 }
385
386 return handler->Create(this, data, type, width, height, depth);
387}
388
389bool wxBitmap::Create(WXPixmap pixmap)
390{
391 UnRef();
392 Pixmap xpixmap = (Pixmap)pixmap;
393 Display* xdisplay = wxGlobalDisplay();
394 int xscreen = DefaultScreen( xdisplay );
395 Window xroot = RootWindow( xdisplay, xscreen );
396
397 // make a copy of the Pixmap
398 Window root;
399 int x, y;
400 unsigned width, height, border, depth;
401
402 XGetGeometry( xdisplay, (Drawable)xpixmap, &root, &x, &y,
403 &width, &height, &border, &depth );
404 Pixmap copy = XCreatePixmap( xdisplay, xroot, width, height, depth );
405
406 GC gc = XCreateGC( xdisplay, copy, 0, NULL );
407 XCopyArea( xdisplay, xpixmap, copy, gc, 0, 0, width, height, 0, 0 );
408 XFreeGC( xdisplay, gc );
409
410 // fill in ref data
411 wxBitmapRefData* ref = new wxBitmapRefData();
412
413 if( depth == 1 )
414 ref->m_bitmap = copy;
415 else
416 ref->m_pixmap = copy;
417
418 ref->m_display = xdisplay;
419 ref->m_width = width;
420 ref->m_height = height;
421 ref->m_bpp = depth;
422
423 m_refData = ref;
424
425 return true;
426}
427
428wxBitmap::wxBitmap(const char* const* bits)
429{
430 Create(bits, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0);
431}
432
433wxObjectRefData *wxBitmap::CreateRefData() const
434{
435 return new wxBitmapRefData;
436}
437
438wxObjectRefData *wxBitmap::CloneRefData(const wxObjectRefData *data) const
439{
440 return new wxBitmapRefData(*wx_static_cast(const wxBitmapRefData *, data));
441}
442
443bool wxBitmap::CreateFromImage( const wxImage& image, int depth )
444{
445#if wxUSE_NANOX
446 if (!image.Ok())
447 {
448 wxASSERT_MSG(image.Ok(), wxT("Invalid wxImage passed to wxBitmap::CreateFromImage."));
449 return false;
450 }
451
452 int w = image.GetWidth();
453 int h = image.GetHeight();
454
455 if (!Create(w, h, depth))
456 return false;
457
458 // Unfortunately the mask has to be screen-depth since
459 // 1-bpp bitmaps don't seem to be supported
460 // TODO: implement transparent drawing, presumably
461 // by doing several blits as per the Windows
462 // implementation because Nano-X doesn't support
463 // XSetClipMask.
464 // TODO: could perhaps speed this function up
465 // by making a buffer of pixel values,
466 // and then calling GrArea to write that to the
467 // pixmap. See demos/nxroach.c.
468
469 bool hasMask = image.HasMask();
470
471 GC pixmapGC = GrNewGC();
472 Pixmap pixmap = (Pixmap) GetPixmap();
473
474 GC maskGC = 0;
475 Pixmap maskPixmap = 0;
476
477 unsigned char maskR = 0;
478 unsigned char maskG = 0;
479 unsigned char maskB = 0;
480
481 if (hasMask)
482 {
483 maskR = image.GetMaskRed();
484 maskG = image.GetMaskGreen();
485 maskB = image.GetMaskBlue();
486
487 maskGC = GrNewGC();
488 maskPixmap = GrNewPixmap(w, h, 0);
489 if (!maskPixmap)
490 hasMask = false;
491 else
492 {
493 wxMask* mask = new wxMask;
494 mask->SetBitmap((WXPixmap) maskPixmap);
495 SetMask(mask);
496 }
497 }
498
499 GR_COLOR lastPixmapColour = 0;
500 GR_COLOR lastMaskColour = 0;
501
502 int i, j;
503 for (i = 0; i < w; i++)
504 {
505 for (j = 0; j < h; j++)
506 {
507 unsigned char red = image.GetRed(i, j);
508 unsigned char green = image.GetGreen(i, j);
509 unsigned char blue = image.GetBlue(i, j);
510
511 GR_COLOR colour = GR_RGB(red, green, blue);
512
513 // Efficiency measure
514 if (colour != lastPixmapColour || (i == 0 && j == 0))
515 {
516 GrSetGCForeground(pixmapGC, colour);
517 lastPixmapColour = colour;
518 }
519
520 GrPoint(pixmap, pixmapGC, i, j);
521
522 if (hasMask)
523 {
524 // scan the bitmap for the transparent colour and set the corresponding
525 // pixels in the mask to BLACK and the rest to WHITE
526 if (maskR == red && maskG == green && maskB == blue)
527 {
528 colour = GR_RGB(0, 0, 0);
529 }
530 else
531 {
532 colour = GR_RGB(255, 255, 255);
533 }
534 if (colour != lastMaskColour || (i == 0 && j == 0))
535 {
536 GrSetGCForeground(maskGC, colour);
537 lastMaskColour = colour;
538 }
539 GrPoint(maskPixmap, maskGC, i, j);
540 }
541 }
542 }
543
544 GrDestroyGC(pixmapGC);
545 if (hasMask)
546 GrDestroyGC(maskGC);
547
548 return true;
549#else
550 // !wxUSE_NANOX
551
552 UnRef();
553
554 wxCHECK_MSG( image.Ok(), false, wxT("invalid image") );
555 wxCHECK_MSG( depth == -1, false, wxT("invalid bitmap depth") );
556
557 m_refData = new wxBitmapRefData();
558
559 M_BMPDATA->m_display = wxGlobalDisplay();
560
561 Display *xdisplay = (Display*) M_BMPDATA->m_display;
562
563 int xscreen = DefaultScreen( xdisplay );
564 Window xroot = RootWindow( xdisplay, xscreen );
565 Visual* xvisual = DefaultVisual( xdisplay, xscreen );
566
567 int bpp = wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_visualDepth;
568
569 int width = image.GetWidth();
570 int height = image.GetHeight();
571 M_BMPDATA->m_width = width;
572 M_BMPDATA->m_height = height;
573
574 if (depth != 1) depth = bpp;
575 M_BMPDATA->m_bpp = depth;
576
577 if (depth == 1)
578 {
579 wxFAIL_MSG( wxT("mono images later") );
580 }
581 else
582 {
583 // Create image
584
585 XImage *data_image = XCreateImage( xdisplay, xvisual, bpp, ZPixmap, 0, 0, width, height, 32, 0 );
586 data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height );
587
588 if (data_image->data == NULL)
589 {
590 wxLogError( wxT("Out of memory.") ); // TODO clean
591 return false;
592 }
593
594 M_BMPDATA->m_pixmap = XCreatePixmap( xdisplay, xroot, width, height, depth );
595
596 // Create mask if necessary
597 const bool hasMask = image.HasMask();
598
599 XImage *mask_image = (XImage*) NULL;
600 if ( hasMask )
601 {
602 mask_image = XCreateImage( xdisplay, xvisual, 1, ZPixmap, 0, 0, width, height, 32, 0 );
603 mask_image->data = (char*) malloc( mask_image->bytes_per_line * mask_image->height );
604
605 if (mask_image->data == NULL)
606 {
607 wxLogError( wxT("Out of memory.") ); // TODO clean
608 return false;
609 }
610
611 wxMask *mask = new wxMask();
612 mask->SetDisplay( xdisplay );
613 mask->SetBitmap( (WXPixmap) XCreatePixmap( xdisplay, xroot, width, height, 1 ) );
614
615 SetMask( mask );
616 }
617
618 if (bpp < 8) bpp = 8;
619
620 // Render
621
622 enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
623 byte_order b_o = RGB;
624
625 wxXVisualInfo* vi = wxTheApp->GetVisualInfo(M_BMPDATA->m_display);
626 unsigned long greenMask = vi->m_visualGreenMask,
627 redMask = vi->m_visualRedMask,
628 blueMask = vi->m_visualBlueMask;
629
630 if (bpp > 8)
631 {
632 if ((redMask > greenMask) && (greenMask > blueMask)) b_o = RGB;
633 else if ((redMask > blueMask) && (blueMask > greenMask)) b_o = RBG;
634 else if ((blueMask > redMask) && (redMask > greenMask)) b_o = BRG;
635 else if ((blueMask > greenMask) && (greenMask > redMask))b_o = BGR;
636 else if ((greenMask > redMask) && (redMask > blueMask)) b_o = GRB;
637 else if ((greenMask > blueMask) && (blueMask > redMask)) b_o = GBR;
638 }
639
640 int r_mask = image.GetMaskRed();
641 int g_mask = image.GetMaskGreen();
642 int b_mask = image.GetMaskBlue();
643
644 unsigned char* data = image.GetData();
645 wxASSERT_MSG( data, wxT("No image data") );
646
647 unsigned char *colorCube =
648 wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_colorCube;
649
650 int index = 0;
651 for (int y = 0; y < height; y++)
652 {
653 for (int x = 0; x < width; x++)
654 {
655 int r = data[index];
656 index++;
657 int g = data[index];
658 index++;
659 int b = data[index];
660 index++;
661
662 if (hasMask)
663 {
664 if ((r == r_mask) && (b == b_mask) && (g == g_mask))
665 XPutPixel( mask_image, x, y, 0 );
666 else
667 XPutPixel( mask_image, x, y, 1 );
668 }
669
670 switch (bpp)
671 {
672 case 8:
673 {
674 int pixel = 0;
675 pixel = colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
676 XPutPixel( data_image, x, y, pixel );
677 break;
678 }
679 case 12: // SGI only
680 {
681 int pixel = 0;
682 switch (b_o)
683 {
684 case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
685 case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
686 case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
687 case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
688 case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
689 case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
690 }
691 XPutPixel( data_image, x, y, pixel );
692 break;
693 }
694 case 15:
695 {
696 int pixel = 0;
697 switch (b_o)
698 {
699 case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
700 case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
701 case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
702 case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
703 case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
704 case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
705 }
706 XPutPixel( data_image, x, y, pixel );
707 break;
708 }
709 case 16:
710 {
711 // I actually don't know if for 16-bit displays, it is alway the green
712 // component or the second component which has 6 bits.
713 int pixel = 0;
714 switch (b_o)
715 {
716 case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
717 case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
718 case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
719 case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
720 case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
721 case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
722 }
723 XPutPixel( data_image, x, y, pixel );
724 break;
725 }
726 case 32:
727 case 24:
728 {
729 int pixel = 0;
730 switch (b_o)
731 {
732 case RGB: pixel = (r << 16) | (g << 8) | b; break;
733 case RBG: pixel = (r << 16) | (b << 8) | g; break;
734 case BRG: pixel = (b << 16) | (r << 8) | g; break;
735 case BGR: pixel = (b << 16) | (g << 8) | r; break;
736 case GRB: pixel = (g << 16) | (r << 8) | b; break;
737 case GBR: pixel = (g << 16) | (b << 8) | r; break;
738 }
739 XPutPixel( data_image, x, y, pixel );
740 }
741 default: break;
742 }
743 } // for
744 } // for
745
746 // Blit picture
747
748 GC gc = XCreateGC( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, 0, NULL );
749 XPutImage( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, gc, data_image, 0, 0, 0, 0, width, height );
750 XDestroyImage( data_image );
751 XFreeGC( xdisplay, gc );
752
753 // Blit mask
754
755 if (image.HasMask())
756 {
757 GC gc = XCreateGC( xdisplay, (Pixmap) GetMask()->GetBitmap(), 0, NULL );
758 XPutImage( xdisplay, (Pixmap) GetMask()->GetBitmap(), gc, mask_image, 0, 0, 0, 0, width, height );
759
760 XDestroyImage( mask_image );
761 XFreeGC( xdisplay, gc );
762 }
763 }
764
765 return true;
766#endif
767 // wxUSE_NANOX
768}
769
770wxImage wxBitmap::ConvertToImage() const
771{
772 wxImage image;
773
774 wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
775
776 Display *xdisplay = (Display*) M_BMPDATA->m_display;
777 wxASSERT_MSG( xdisplay, wxT("No display") );
778
779#if wxUSE_NANOX
780 //int bpp = DefaultDepth(xdisplay, xscreen);
781 wxGetImageFromDrawable((Pixmap) GetPixmap(), 0, 0, GetWidth(), GetHeight(), image);
782 return image;
783#else
784 // !wxUSE_NANOX
785 int bpp = wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_visualDepth;
786 XImage *x_image = NULL;
787 if (GetPixmap())
788 {
789 x_image = XGetImage( xdisplay, (Pixmap) GetPixmap(),
790 0, 0,
791 GetWidth(), GetHeight(),
792 AllPlanes, ZPixmap );
793 } else
794 if (GetBitmap())
795 {
796 x_image = XGetImage( xdisplay, (Pixmap) GetBitmap(),
797 0, 0,
798 GetWidth(), GetHeight(),
799 AllPlanes, ZPixmap );
800 } else
801 {
802 wxFAIL_MSG( wxT("Ill-formed bitmap") );
803 }
804
805 wxCHECK_MSG( x_image, wxNullImage, wxT("couldn't create image") );
806
807 image.Create( GetWidth(), GetHeight() );
808 char unsigned *data = image.GetData();
809
810 if (!data)
811 {
812 XDestroyImage( x_image );
813 wxFAIL_MSG( wxT("couldn't create image") );
814 return wxNullImage;
815 }
816
817 XImage *x_image_mask = NULL;
818 if (GetMask())
819 {
820 x_image_mask = XGetImage( xdisplay, (Pixmap) GetMask()->GetBitmap(),
821 0, 0,
822 GetWidth(), GetHeight(),
823 AllPlanes, ZPixmap );
824
825 image.SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable
826 }
827
828 int red_shift_right = 0;
829 int green_shift_right = 0;
830 int blue_shift_right = 0;
831 int red_shift_left = 0;
832 int green_shift_left = 0;
833 int blue_shift_left = 0;
834 bool use_shift = false;
835
836 if (GetPixmap())
837 {
838 wxXVisualInfo* vi = wxTheApp->GetVisualInfo(M_BMPDATA->m_display);
839
840 red_shift_right = vi->m_visualRedShift;
841 red_shift_left = 8 - vi->m_visualRedPrec;
842 green_shift_right = vi->m_visualGreenShift;
843 green_shift_left = 8 - vi->m_visualGreenPrec;
844 blue_shift_right = vi->m_visualBlueShift;
845 blue_shift_left = 8 - vi->m_visualBluePrec;
846
847 use_shift = (vi->m_visualType == GrayScale) ||
848 (vi->m_visualType != PseudoColor);
849 }
850
851 if (GetBitmap())
852 {
853 bpp = 1;
854 }
855
856 XColor *colors = (XColor*)wxTheApp->
857 GetVisualInfo(M_BMPDATA->m_display)->m_visualColormap;
858
859 int width = GetWidth();
860 int height = GetHeight();
861 long pos = 0;
862 for (int j = 0; j < height; j++)
863 {
864 for (int i = 0; i < width; i++)
865 {
866 unsigned long pixel = XGetPixel( x_image, i, j );
867 if (bpp == 1)
868 {
869 if (pixel == 0)
870 {
871 data[pos] = 0;
872 data[pos+1] = 0;
873 data[pos+2] = 0;
874 }
875 else
876 {
877 data[pos] = 255;
878 data[pos+1] = 255;
879 data[pos+2] = 255;
880 }
881 }
882 else if (use_shift)
883 {
884 data[pos] = (unsigned char)((pixel >> red_shift_right) << red_shift_left);
885 data[pos+1] = (unsigned char)((pixel >> green_shift_right) << green_shift_left);
886 data[pos+2] = (unsigned char)((pixel >> blue_shift_right) << blue_shift_left);
887 }
888 else if (colors)
889 {
890 data[pos] = (unsigned char)(colors[pixel].red >> 8);
891 data[pos+1] = (unsigned char)(colors[pixel].green >> 8);
892 data[pos+2] = (unsigned char)(colors[pixel].blue >> 8);
893 }
894 else
895 {
896 wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
897 }
898
899 if (x_image_mask)
900 {
901 int mask_pixel = XGetPixel( x_image_mask, i, j );
902 if (mask_pixel == 0)
903 {
904 data[pos] = 16;
905 data[pos+1] = 16;
906 data[pos+2] = 16;
907 }
908 }
909
910 pos += 3;
911 }
912 }
913
914 XDestroyImage( x_image );
915 if (x_image_mask) XDestroyImage( x_image_mask );
916 return image;
917#endif
918 // wxUSE_NANOX
919}
920
921wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type )
922{
923 LoadFile( filename, type );
924}
925
926wxBitmap::wxBitmap( const char bits[], int width, int height, int depth )
927{
928 m_refData = new wxBitmapRefData;
929
930 (void) Create(bits, wxBITMAP_TYPE_XBM_DATA, width, height, depth);
931}
932
933wxBitmap::~wxBitmap()
934{
935}
936
937bool wxBitmap::IsOk() const
938{
939 return (m_refData != NULL);
940}
941
942int wxBitmap::GetHeight() const
943{
944 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
945
946 return M_BMPDATA->m_height;
947}
948
949int wxBitmap::GetWidth() const
950{
951 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
952
953 return M_BMPDATA->m_width;
954}
955
956int wxBitmap::GetDepth() const
957{
958 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
959
960 return M_BMPDATA->m_bpp;
961}
962
963wxMask *wxBitmap::GetMask() const
964{
965 wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
966
967 return M_BMPDATA->m_mask;
968}
969
970void wxBitmap::SetMask( wxMask *mask )
971{
972 wxCHECK_RET( Ok(), wxT("invalid bitmap") );
973
974 AllocExclusive();
975 if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
976
977 M_BMPDATA->m_mask = mask;
978}
979
980bool wxBitmap::CopyFromIcon(const wxIcon& icon)
981{
982 *this = icon;
983 return true;
984}
985
986wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
987{
988 wxCHECK_MSG( Ok() &&
989 (rect.x >= 0) && (rect.y >= 0) &&
990 (rect.x+rect.width <= M_BMPDATA->m_width ) &&
991 (rect.y+rect.height <= M_BMPDATA->m_height),
992 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
993
994 wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
995 wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
996
997 if( GetMask() )
998 {
999 wxMask* mask = new wxMask();
1000 mask->SetDisplay( GetMask()->GetDisplay() );
1001 mask->SetBitmap( wxGetSubPixmap( GetMask()->GetDisplay(),
1002 GetMask()->GetBitmap(),
1003 rect.x, rect.y,
1004 rect.width, rect.height,
1005 1 ) );
1006
1007 ret.SetMask( mask );
1008 }
1009
1010 if( GetPixmap() )
1011 {
1012 ret.SetPixmap( wxGetSubPixmap( GetDisplay(),
1013 GetPixmap(),
1014 rect.x, rect.y,
1015 rect.width, rect.height,
1016 M_BMPDATA->m_bpp ) );
1017 }
1018
1019 if( GetBitmap() )
1020 {
1021 ret.SetBitmap( wxGetSubPixmap( GetDisplay(),
1022 GetBitmap(),
1023 rect.x, rect.y,
1024 rect.width, rect.height,
1025 1 ) );
1026 }
1027
1028 return ret;
1029}
1030
1031bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type,
1032 const wxPalette *palette ) const
1033{
1034 wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
1035
1036 wxBitmapHandler *handler = FindHandler(type);
1037
1038 // Try to save the bitmap via wxImage handlers:
1039 if (handler == NULL)
1040 {
1041 wxImage image(this->ConvertToImage());
1042 if (image.Ok()) return image.SaveFile( name, type );
1043
1044 return false;
1045 }
1046
1047 return handler->SaveFile(this, name, type, palette);
1048}
1049
1050bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
1051{
1052 UnRef();
1053
1054 if (!wxFileExists(name)) return false;
1055
1056 wxBitmapHandler *handler = FindHandler(type);
1057
1058 if (handler == NULL)
1059 {
1060 wxImage image;
1061 if (!image.LoadFile( name, type ))
1062 return false;
1063
1064 if (image.Ok())
1065 {
1066 *this = wxBitmap(image);
1067 return true;
1068 }
1069 else return false;
1070 }
1071
1072 return handler->LoadFile(this, name, type, -1, -1);
1073}
1074
1075void wxBitmap::SetPalette(const wxPalette& palette)
1076{
1077 wxCHECK_RET(Ok(), wxT("invalid bitmap"));
1078 wxCHECK_RET(GetDepth() > 1 && GetDepth() <= 8,
1079 wxT("cannot set palette for bitmap of this depth"));
1080
1081 AllocExclusive();
1082 delete M_BMPDATA->m_palette;
1083 M_BMPDATA->m_palette = NULL;
1084
1085 if (!palette.Ok()) return;
1086
1087 M_BMPDATA->m_palette = new wxPalette(palette);
1088}
1089
1090wxPalette *wxBitmap::GetPalette() const
1091{
1092 if (!Ok()) return (wxPalette *) NULL;
1093
1094 return M_BMPDATA->m_palette;
1095}
1096
1097void wxBitmap::SetHeight( int height )
1098{
1099 AllocExclusive();
1100
1101 M_BMPDATA->m_height = height;
1102}
1103
1104void wxBitmap::SetWidth( int width )
1105{
1106 AllocExclusive();
1107
1108 M_BMPDATA->m_width = width;
1109}
1110
1111void wxBitmap::SetDepth( int depth )
1112{
1113 AllocExclusive();
1114
1115 M_BMPDATA->m_bpp = depth;
1116}
1117
1118void wxBitmap::SetPixmap( WXPixmap pixmap )
1119{
1120 if (!m_refData) m_refData = new wxBitmapRefData();
1121
1122 M_BMPDATA->m_pixmap = (Pixmap)pixmap;
1123}
1124
1125void wxBitmap::SetBitmap( WXPixmap bitmap )
1126{
1127 if (!m_refData) m_refData = new wxBitmapRefData();
1128
1129 M_BMPDATA->m_bitmap = (Pixmap)bitmap;
1130}
1131
1132WXPixmap wxBitmap::GetPixmap() const
1133{
1134 wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1135
1136 return (WXPixmap)M_BMPDATA->m_pixmap;
1137}
1138
1139WXPixmap wxBitmap::GetBitmap() const
1140{
1141 wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1142
1143 return (WXPixmap)M_BMPDATA->m_bitmap;
1144}
1145
1146WXPixmap wxBitmap::GetDrawable() const
1147{
1148 wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1149
1150 return (WXPixmap)(M_BMPDATA->m_bpp == 1 ? M_BMPDATA->m_bitmap
1151 : M_BMPDATA->m_pixmap);
1152}
1153
1154WXDisplay *wxBitmap::GetDisplay() const
1155{
1156 wxCHECK_MSG( Ok(), (WXDisplay*) NULL, wxT("invalid bitmap") );
1157
1158 return M_BMPDATA->m_display;
1159}
1160
1161#if wxUSE_NANOX
1162// Copy from the drawable to the wxImage
1163bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image)
1164{
1165 GR_SCREEN_INFO sinfo;
1166 int x, y;
1167 GR_PIXELVAL *pixels;
1168 GR_PALETTE* palette = NULL;
1169 unsigned char rgb[3], *pp;
1170
1171 GrGetScreenInfo(&sinfo);
1172
1173 if (sinfo.pixtype == MWPF_PALETTE) {
1174 if(!(palette = (GR_PALETTE*) malloc(sizeof(GR_PALETTE)))) {
1175 return false;
1176 }
1177 GrGetSystemPalette(palette);
1178 }
1179
1180 if(!(pixels = (GR_PIXELVAL*) malloc(sizeof(GR_PIXELVAL) * width * height)))
1181 {
1182 return false;
1183 }
1184
1185 image.Create(width, height);
1186
1187 GrReadArea(drawable, srcX, srcY, width, height,
1188 pixels);
1189
1190
1191 for(x = 0; x < sinfo.cols; x++) {
1192
1193 pp = (unsigned char *)pixels +
1194 ((x + (y * sinfo.cols)) *
1195 sizeof(GR_PIXELVAL));
1196
1197 switch(sinfo.pixtype) {
1198 /* FIXME: These may need modifying on big endian. */
1199 case MWPF_TRUECOLOR0888:
1200 case MWPF_TRUECOLOR888:
1201 rgb[0] = pp[2];
1202 rgb[1] = pp[1];
1203 rgb[2] = pp[0];
1204 break;
1205 case MWPF_PALETTE:
1206 rgb[0] = palette->palette[pp[0]].r;
1207 rgb[1] = palette->palette[pp[0]].g;
1208 rgb[2] = palette->palette[pp[0]].b;
1209 break;
1210 case MWPF_TRUECOLOR565:
1211 rgb[0] = pp[1] & 0xf8;
1212 rgb[1] = ((pp[1] & 0x07) << 5) |
1213 ((pp[0] & 0xe0) >> 3);
1214 rgb[2] = (pp[0] & 0x1f) << 3;
1215 break;
1216 case MWPF_TRUECOLOR555:
1217 rgb[0] = (pp[1] & 0x7c) << 1;
1218 rgb[1] = ((pp[1] & 0x03) << 6) |
1219 ((pp[0] & 0xe0) >> 2);
1220 rgb[2] = (pp[0] & 0x1f) << 3;
1221 break;
1222 case MWPF_TRUECOLOR332:
1223 rgb[0] = pp[0] & 0xe0;
1224 rgb[1] = (pp[0] & 0x1c) << 3;
1225 rgb[2] = (pp[0] & 0x03) << 6;
1226 break;
1227 default:
1228 fprintf(stderr, "Unsupported pixel "
1229 "format\n");
1230 return 1;
1231 }
1232
1233 image.SetRGB(x, y, rgb[0], rgb[1], rgb[2]);
1234
1235 }
1236
1237 free(pixels);
1238 if(palette) free(palette);
1239
1240 return true;
1241}
1242
1243#if 0
1244int GrGetPixelColor(GR_SCREEN_INFO* sinfo, GR_PALETTE* palette, GR_PIXELVAL pixel,
1245 unsigned char* red, unsigned char* green, unsigned char* blue)
1246{
1247 unsigned char rgb[3], *pp;
1248
1249 pp = (unsigned char*) & pixel ;
1250
1251 switch (sinfo.pixtype)
1252 {
1253 /* FIXME: These may need modifying on big endian. */
1254 case MWPF_TRUECOLOR0888:
1255 case MWPF_TRUECOLOR888:
1256 rgb[0] = pp[2];
1257 rgb[1] = pp[1];
1258 rgb[2] = pp[0];
1259 break;
1260 case MWPF_PALETTE:
1261 rgb[0] = palette->palette[pp[0]].r;
1262 rgb[1] = palette->palette[pp[0]].g;
1263 rgb[2] = palette->palette[pp[0]].b;
1264 break;
1265 case MWPF_TRUECOLOR565:
1266 rgb[0] = pp[1] & 0xf8;
1267 rgb[1] = ((pp[1] & 0x07) << 5) |
1268 ((pp[0] & 0xe0) >> 3);
1269 rgb[2] = (pp[0] & 0x1f) << 3;
1270 break;
1271 case MWPF_TRUECOLOR555:
1272 rgb[0] = (pp[1] & 0x7c) << 1;
1273 rgb[1] = ((pp[1] & 0x03) << 6) |
1274 ((pp[0] & 0xe0) >> 2);
1275 rgb[2] = (pp[0] & 0x1f) << 3;
1276 break;
1277 case MWPF_TRUECOLOR332:
1278 rgb[0] = pp[0] & 0xe0;
1279 rgb[1] = (pp[0] & 0x1c) << 3;
1280 rgb[2] = (pp[0] & 0x03) << 6;
1281 break;
1282 default:
1283 fprintf(stderr, "Unsupported pixel format\n");
1284 return 0;
1285 }
1286
1287
1288 *(red) = rgb[0];
1289 *(green) = rgb[1];
1290 *(blue) = rgb[2];
1291 return 1;
1292}
1293#endif
1294
1295#endif
1296 // wxUSE_NANOX
1297
1298// ============================================================================
1299// Bitmap handlers
1300// ============================================================================
1301
1302IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase)
1303
1304#define M_BMPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData())
1305
1306#if wxUSE_XPM
1307
1308#if wxHAVE_LIB_XPM || wxUSE_STREAMS
1309
1310// ----------------------------------------------------------------------------
1311// wxXPMFileHandler
1312// ----------------------------------------------------------------------------
1313
1314class wxXPMFileHandler : public wxBitmapHandler
1315{
1316 DECLARE_DYNAMIC_CLASS(wxXPMFileHandler)
1317public:
1318 wxXPMFileHandler()
1319 {
1320 SetName( wxT("XPM file") );
1321 SetExtension( wxT("xpm") );
1322 SetType( wxBITMAP_TYPE_XPM );
1323 };
1324
1325 virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1326 int desiredWidth, int desiredHeight);
1327
1328 virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name,
1329 int type, const wxPalette *palette = NULL);
1330
1331 virtual bool Create(wxBitmap *WXUNUSED(bitmap), const void* WXUNUSED(data), long WXUNUSED(flags),
1332 int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth) = 1)
1333 { return false; }
1334};
1335
1336IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler)
1337
1338bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name,
1339 long WXUNUSED(flags), int WXUNUSED(desiredWidth),
1340 int WXUNUSED(desiredHeight))
1341{
1342#if wxHAVE_LIB_XPM
1343 if (!bitmap->GetRefData())
1344 bitmap->SetRefData( new wxBitmapRefData() );
1345
1346 M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1347
1348 Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1349
1350 int xscreen = DefaultScreen( xdisplay );
1351 Window xroot = RootWindow( xdisplay, xscreen );
1352
1353 int bpp = DefaultDepth( xdisplay, xscreen );
1354
1355 XpmAttributes xpmAttr;
1356 xpmAttr.valuemask = XpmReturnInfos; // nothing yet, but get infos back
1357
1358 Pixmap pixmap;
1359 Pixmap mask = 0;
1360
1361 int ErrorStatus = XpmReadFileToPixmap( xdisplay, xroot,
1362 (char*) ((const char*) name.c_str()),
1363 &pixmap, &mask, &xpmAttr);
1364
1365 if (ErrorStatus == XpmSuccess)
1366 {
1367 M_BMPHANDLERDATA->m_width = xpmAttr.width;
1368 M_BMPHANDLERDATA->m_height = xpmAttr.height;
1369
1370 M_BMPHANDLERDATA->m_bpp = bpp; // mono as well?
1371
1372 XpmFreeAttributes(&xpmAttr);
1373
1374 M_BMPHANDLERDATA->m_bitmap = (Pixmap) pixmap;
1375
1376 if (mask)
1377 {
1378 M_BMPHANDLERDATA->m_mask = new wxMask;
1379 M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask );
1380 M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay );
1381 }
1382 }
1383 else
1384 {
1385 UnRef();
1386
1387 return false;
1388 }
1389
1390 return true;
1391#elif wxUSE_STREAMS
1392 wxXPMDecoder decoder;
1393 wxFileInputStream stream(name);
1394 if (stream.Ok())
1395 {
1396 wxImage image(decoder.ReadFile(stream));
1397 return image.Ok() && bitmap->CreateFromImage(image);
1398 }
1399
1400 return false;
1401#else // !wxHAVE_LIB_XPM && !wxUSE_STREAMS
1402 return false;
1403#endif // wxHAVE_LIB_XPM / wxUSE_STREAMS
1404}
1405
1406bool wxXPMFileHandler::SaveFile(const wxBitmap *bitmap, const wxString& name,
1407 int type,
1408 const wxPalette *WXUNUSED(palette))
1409{
1410 wxImage image(bitmap->ConvertToImage());
1411 if (image.Ok()) return image.SaveFile( name, (wxBitmapType)type );
1412
1413 return false;
1414}
1415
1416#endif // wxHAVE_LIB_XPM || wxUSE_STREAMS
1417
1418// ----------------------------------------------------------------------------
1419// wxXPMDataHandler
1420// ----------------------------------------------------------------------------
1421
1422class wxXPMDataHandler : public wxBitmapHandler
1423{
1424 DECLARE_DYNAMIC_CLASS(wxXPMDataHandler)
1425public:
1426 wxXPMDataHandler()
1427 {
1428 SetName( wxT("XPM data") );
1429 SetExtension( wxT("xpm") );
1430 SetType( wxBITMAP_TYPE_XPM_DATA );
1431 };
1432
1433 virtual bool LoadFile(wxBitmap *WXUNUSED(bitmap),
1434 const wxString& WXUNUSED(name),
1435 long WXUNUSED(flags),
1436 int WXUNUSED(desiredWidth),
1437 int WXUNUSED(desiredHeight))
1438 { return false; }
1439
1440 virtual bool SaveFile(const wxBitmap *WXUNUSED(bitmap),
1441 const wxString& WXUNUSED(name),
1442 int WXUNUSED(type),
1443 const wxPalette *WXUNUSED(palette) = NULL)
1444 { return false; }
1445
1446 virtual bool Create(wxBitmap *bitmap, const void* data, long flags,
1447 int width, int height, int depth = 1);
1448};
1449
1450IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler)
1451
1452bool wxXPMDataHandler::Create(wxBitmap *bitmap, const void* bits,
1453 long WXUNUSED(flags),
1454 int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth))
1455{
1456#if wxHAVE_LIB_XPM
1457 wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") );
1458
1459 if (!bitmap->GetRefData())
1460 bitmap->SetRefData( new wxBitmapRefData() );
1461
1462 M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1463
1464 Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1465
1466 int xscreen = DefaultScreen( xdisplay );
1467 Window xroot = RootWindow( xdisplay, xscreen );
1468
1469 int bpp = DefaultDepth( xdisplay, xscreen );
1470
1471 XpmAttributes xpmAttr;
1472 xpmAttr.valuemask = XpmReturnInfos; // nothing yet, but get infos back
1473
1474 Pixmap pixmap = 0;
1475 Pixmap mask = 0;
1476
1477 int ErrorStatus = XpmCreatePixmapFromData( xdisplay, xroot, (char**) bits,
1478 &pixmap, &mask, &xpmAttr );
1479
1480 if (ErrorStatus == XpmSuccess)
1481 {
1482 M_BMPHANDLERDATA->m_width = xpmAttr.width;
1483 M_BMPHANDLERDATA->m_height = xpmAttr.height;
1484
1485 M_BMPHANDLERDATA->m_bpp = bpp; // mono as well?
1486
1487#if __WXDEBUG__
1488 unsigned int depthRet;
1489 int xRet, yRet;
1490 unsigned int widthRet, heightRet, borderWidthRet;
1491 XGetGeometry( xdisplay, pixmap, &xroot, &xRet, &yRet,
1492 &widthRet, &heightRet, &borderWidthRet, &depthRet);
1493
1494 wxASSERT_MSG( bpp == (int)depthRet, wxT("colour depth mismatch") );
1495#endif
1496
1497 XpmFreeAttributes(&xpmAttr);
1498
1499 M_BMPHANDLERDATA->m_pixmap = (Pixmap) pixmap;
1500
1501 if (mask)
1502 {
1503 M_BMPHANDLERDATA->m_mask = new wxMask;
1504 M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask );
1505 M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay );
1506 }
1507 return true;
1508 }
1509 else
1510 {
1511 bitmap->UnRef();
1512
1513 return false;
1514 }
1515#else // !wxHAVE_LIB_XPM
1516 wxXPMDecoder decoder;
1517 wxImage image(decoder.ReadData((const char **)bits));
1518 return image.Ok() && bitmap->CreateFromImage(image);
1519#endif // wxHAVE_LIB_XPM/!wxHAVE_LIB_XPM
1520}
1521
1522#endif // wxUSE_XPM
1523
1524// ----------------------------------------------------------------------------
1525// wxXBMDataHandler
1526// ----------------------------------------------------------------------------
1527
1528class WXDLLEXPORT wxXBMDataHandler: public wxBitmapHandler
1529{
1530 DECLARE_DYNAMIC_CLASS(wxXBMDataHandler)
1531public:
1532 inline wxXBMDataHandler()
1533 {
1534 SetName( wxT("XBM data") );
1535 SetExtension( wxT("xbm") );
1536 SetType( wxBITMAP_TYPE_XBM_DATA );
1537 };
1538
1539 virtual bool LoadFile(wxBitmap *WXUNUSED(bitmap),
1540 const wxString& WXUNUSED(name),
1541 long WXUNUSED(flags),
1542 int WXUNUSED(desiredWidth),
1543 int WXUNUSED(desiredHeight))
1544 { return false; }
1545
1546 virtual bool SaveFile(const wxBitmap *WXUNUSED(bitmap),
1547 const wxString& WXUNUSED(name),
1548 int WXUNUSED(type),
1549 const wxPalette *WXUNUSED(palette) = NULL)
1550 { return false; }
1551
1552 virtual bool Create(wxBitmap *bitmap, const void* data, long flags,
1553 int width, int height, int depth = 1);
1554};
1555
1556IMPLEMENT_DYNAMIC_CLASS(wxXBMDataHandler, wxBitmapHandler)
1557
1558bool wxXBMDataHandler::Create( wxBitmap *bitmap, const void* bits,
1559 long WXUNUSED(flags),
1560 int width, int height, int WXUNUSED(depth))
1561{
1562#if !wxUSE_NANOX
1563 if (!bitmap->GetRefData())
1564 bitmap->SetRefData( new wxBitmapRefData() );
1565
1566 M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1567
1568 Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1569
1570 int xscreen = DefaultScreen( xdisplay );
1571 Window xroot = RootWindow( xdisplay, xscreen );
1572
1573 M_BMPHANDLERDATA->m_mask = (wxMask *) NULL;
1574 M_BMPHANDLERDATA->m_bitmap =
1575 XCreateBitmapFromData(xdisplay, xroot,
1576 (char *) bits, width, height );
1577 M_BMPHANDLERDATA->m_width = width;
1578 M_BMPHANDLERDATA->m_height = height;
1579 M_BMPHANDLERDATA->m_bpp = 1;
1580
1581 return true;
1582#else
1583 wxCHECK_MSG( M_BMPHANDLERDATA->m_bitmap, false,
1584 wxT("couldn't create bitmap") );
1585#endif
1586}
1587
1588void wxBitmap::InitStandardHandlers()
1589{
1590 AddHandler(new wxXBMDataHandler);
1591#if wxUSE_XPM
1592#if wxHAVE_LIB_XPM || wxUSE_STREAMS
1593 AddHandler(new wxXPMFileHandler);
1594#endif
1595 AddHandler(new wxXPMDataHandler);
1596#endif
1597}
wxWidgets (Impactor)